对于在Beta 6中遇到类似问题的人,我通过删除/Users/[your username]/Library/Developer/Xcode/DerivedData中的内容解决了它,可以在这篇文章Suddenly getting compiler crash "arrayForceCast" in Swift XCode beta 6看到。
原始帖子:
我刚安装了Xcode beta 6,出现了非常不寻常的错误。 我无法弄清楚它们是什么。
Undefined symbols for architecture arm64:
"__TFSsoi1oUSs17_RawOptionSetType_USs21BitwiseOperationsTypeSs9Equatable__FTQ_Q__Q_", referenced from:
__TFC9CoolSpots29ProfileSettingsViewController13turnOnOffPushfS0_FCSo8UISwitchT_ in ProfileSettingsViewController.o
__TFC9CoolSpots11AppDelegate11applicationfS0_FTCSo13UIApplication29didFinishLaunchingWithOptionsGSqCSo12NSDictionary__Sb in AppDelegate.o
"__TFSs15_arrayForceCastU___FGSaQ__GSaQ0__", referenced from:
__TFC9CoolSpots8LocationcfMS0_FT6objectCSo8PFObject_S0_ in Location.o
__TFC9CoolSpots19ShareViewController7mapViewfS0_FTGSQCSo9MKMapView_21didAddAnnotationViewsGSQGSaPSs9AnyObject____T_ in ShareViewController.o
__TFC9CoolSpots23LoginMenuViewController7FBLoginfS0_FT_T_ in LoginMenuViewController.o
__TFC9CoolSpots21ProfileViewController7mapViewfS0_FTGSQCSo9MKMapView_21didAddAnnotationViewsGSQGSaPSs9AnyObject____T_ in ProfileViewController.o
__TFFC9CoolSpots21ProfileViewController11viewDidLoadFS0_FT_T_U_FTGSqGSaPSs9AnyObject___GSqCSo7NSError__T_ in ProfileViewController.o
__TFFFC9CoolSpots21ProfileViewController11viewDidLoadFS0_FT_T_U_FTGSqGSaPSs9AnyObject___GSqCSo7NSError__T_U0_FTGSqGSaPS1____GSqS2___T_ in ProfileViewController.o
__TFFFC9CoolSpots21ProfileViewController11viewDidLoadFS0_FT_T_U0_FTGSqCSo8PFObject_GSqCSo7NSError__T_U0_FTGSqGSaPSs9AnyObject___GSqS2___T_ in ProfileViewController.o
...
"__TFSs26_forceBridgeFromObjectiveCU__FTPSs9AnyObject_MQ__Q_", referenced from:
__TFC9CoolSpots8LocationcfMS0_FT11coordinatesVSC22CLLocationCoordinate2D15relatedActivityCSo7NSArray8objectIdSS7addressSS_S0_ in Location.o
__TFC9CoolSpots8LocationcfMS0_FT6objectCSo8PFObject_S0_ in Location.o
__TFC9CoolSpots19ShareViewController14viewWillAppearfS0_FSbT_ in ShareViewController.o
__TFC9CoolSpots19ShareViewController15prepareForSeguefS0_FTGSQCSo17UIStoryboardSegue_6senderGSQPSs9AnyObject___T_ in ShareViewController.o
__TFC9CoolSpots19ShareViewController21cameraViewTookPicturefS0_FCSo7UIImageT_ in ShareViewController.o
__TFFC9CoolSpots19ShareViewController14reverseGeocodeFS0_FGSqCSo10CLLocation_T_U_FTGSQGSaPSs9AnyObject___GSQCSo7NSError__T_ in ShareViewController.o
__TFC9CoolSpots27ActivityTableViewController11viewDidLoadfS0_FT_T_ in ActivityTableViewController.o
...
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)